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[TD-2342]<fix>: disallow cross db create child table

This commit is contained in:
stephenkgu 2020-12-06 10:18:39 +08:00
parent 979d73fbb2
commit 1c33675b01
1 changed files with 10 additions and 0 deletions
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10
src/mnode/src/mnodeTable.c
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@ -1734,6 +1734,16 @@ static int32_t mnodeDoCreateChildTable(SMnodeMsg *pMsg, int32_t tid) {
if (pTable->info.type == TSDB_CHILD_TABLE) {
STagData *pTagData = (STagData *)pCreate->schema; // it is a tag key
char prefix[64] = {0};
int32_t prefixLen = tableIdPrefix(pMsg->pDb->name, prefix, 64);
if (0 != strncasecmp(prefix, pTagData->name, prefixLen)) {
mError("msg:%p, app:%p table:%s, corresponding super table:%s not in this db", pMsg, pMsg->rpcMsg.ahandle,
pCreate->tableId, pTagData->name);
mnodeDestroyChildTable(pTable);
return TSDB_CODE_MND_INVALID_TABLE_NAME;
}
if (pMsg->pSTable == NULL) pMsg->pSTable = mnodeGetSuperTable(pTagData->name);
if (pMsg->pSTable == NULL) {
mError("msg:%p, app:%p table:%s, corresponding super table:%s does not exist", pMsg, pMsg->rpcMsg.ahandle,